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Individual Calculations December 2023 |
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| Kolva, Petr Total change: 42.00 | |   |
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| SPb B17 Championship Semifinal 2023 | St. Petersburg | RUS | 2023-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1220 | 1087 | 3.00 | 6 | 1.05 | 40 | 42.00 | |
|  Perminov, Yaroslav Art. | | | 1181 | RUS | 0.50 | 1 | 0.13 | 40 | 5.20 | |  Ziza, Egor | | | 1116 | RUS | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Baltin, David | | | 1356 | RUS | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Bondarenko, Martin | | | 1225 | RUS | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Afanasiev, Mikhail V | | | 1246 | RUS | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Santarov, Alexander | | | 1197 | RUS | 0.00 | 1 | -0.35 | 40 | -14.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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